20089831458743 has 2 divisors, whose sum is σ = 20089831458744. Its totient is φ = 20089831458742.

The previous prime is 20089831458727. The next prime is 20089831458833. The reversal of 20089831458743 is 34785413898002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20089831458743 - 2⁴ = 20089831458727 is a prime.

It is a super-2 number, since 2×20089831458743² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20089831458043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044915729371 + 10044915729372.

It is an arithmetic number, because the mean of its divisors is an integer number (10044915729372).

Almost surely, 2^{20089831458743} is an apocalyptic number.

20089831458743 is a deficient number, since it is larger than the sum of its proper divisors (1).

20089831458743 is an equidigital number, since it uses as much as digits as its factorization.

20089831458743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 20089831458743 in words is "twenty trillion, eighty-nine billion, eight hundred thirty-one million, four hundred fifty-eight thousand, seven hundred forty-three".